Sexual Reproduction in the Diatom Stephanopyxis turris (Centrales)

Video in TIB AV-Portal: Sexual Reproduction in the Diatom Stephanopyxis turris (Centrales)

Formal Metadata

Title
Sexual Reproduction in the Diatom Stephanopyxis turris (Centrales)
Alternative Title
Geschlechtliche Fortpflanzung der Kieselalge Stephanopyxis turris (Centrales)
Author
License
CC Attribution - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF Signature
C 983
Publisher
Release Date
1969
Language
English
Producer
Institut für den Wissenschaftlichen Film (IWF)
Production Year
1967

Content Metadata

Subject Area
Abstract
Overview of vegetative cells and colonies. Emergence of spermatogonia, primary and secondary meiotic nuclear divisions in the spermatocytes, release of spermatozooids. Development of oogonia, primary and secondary meiotic nuclear divisions (pycnotic nuclei). Penetration of sperms into the oogonium, their migration to the egg nucleus, formation of auxospores with first and second shells, germination of initial cell. With time-lapse.
Keywords fertilization / Chrysophyceae reproduction, sexual / Chrysophyceae spores / Chrysophyceae cell biology Stephanopyxis turris diatom algae / diatom
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